An aditus is the opening to some interior space or cavity. It may refer to:
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Aditus to mastoid antrum
The aditus to mastoid antrum (otomastoid foramen) is a large, irregular opening upon the posterior wall of the tympanic cavity by which the mastoid antrum (situated posteriorly) communicates with the epitympanic recess of the tympanic cavity (situa ...
, in the ear
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Laryngeal aditus, the opening that connects the pharynx and the larynx
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Omental foramen
In human anatomy, the omental foramen (epiploic foramen, foramen of Winslow after the anatomist Jacob B. Winslow, or uncommonly aditus; ) is the passage of communication, or foramen, between the greater sac, and the lesser sac of the peritoneal ...
or aditus, in the abdomen
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